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血管內皮生長因子、內皮抑素及熱休克蛋白60、70與川崎病冠脈損害的關系

發(fā)布時間:2018-06-21 04:39

  本文選題:血管內皮生長因子 + 內皮抑素 ; 參考:《瀘州醫(yī)學院》2012年碩士論文


【摘要】:目的:研究川崎病(KD)患兒在急性期及恢復期血中血管內皮生長因子(VEGF)、內皮抑素(ES)、熱休克蛋白60(HSP60)及熱休克蛋白70(HSP70)的表達水平,探討KD急性期與恢復期血清中VEGF與ES的相關性分析研究,并研究其表達對KD冠脈損害的影響,進而為研究及預防冠脈損害提供相應的理論依據(jù)。 方法:1.標本采集:(1)研究組:KD患兒25例,其中冠脈損害組(CAL)10例,冠脈正常組(NCAL)15例,分別采集急性期(靜脈使用IVIG前,病程1-2周)、恢復期(靜脈使用IVIG后,病程3-4周)外周血制備血清。(2)對照組:分別采集20例年齡相仿的正常健康患兒(空白對照組,C組)及20例年齡相仿的發(fā)熱患兒(發(fā)熱對照組,F(xiàn)組)外周血制備血清。 2.指標檢測:分別用雙抗體夾心法(ELISA)測定各組血管內皮生長因子(VEGF)、內皮抑素(ES)、熱休克蛋白60(HSP60)及熱休克蛋白70(HSP70)的表達水平。 3.統(tǒng)計學處理:運用SPSS17.0行統(tǒng)計學分析,數(shù)據(jù)都采取以均數(shù)加減標準差(X+S)表示。組間比較用單因素方差分析(one-way analysisof variance,ANOVA),兩兩比較采用LSD檢驗;VEGF/ES比值用秩和檢驗。VEGF與ES的相關性分析采用Bivariate法,,檢驗水準為0.05(雙側),P0.05為差異有統(tǒng)計學意義。 結果:1.VEGF、ES、VEGF/ES (1)KD急性期血清VEGF(1123.82±80.31)水平與KD恢復期(586.65±78.38)、發(fā)熱對照組(306.43±67.92)和空白對照組(244.65±69.10)相比明顯升高(P均0.01);KD恢復期血清VEGF(586.65±78.38)水平與發(fā)熱對照組(306.43±67.92)和空白對照組(244.65±69.10)相比明顯升高(P均0.01)。(2)KD急性期血清ES水平(173.23±5.41)與發(fā)熱對照組(188.17±5.25)相比明顯降低(P0.05);和空白對照組(195.30±5.84)相比明顯降低(P0.01);與KD恢復期(180.44±6.03)相比較,無明顯統(tǒng)計學意義(P0.05)。(3)KD恢復期血清ES水平(180.44±6.03)與發(fā)熱對照組(188.17±5.25)和空白對照組(195.30±5.84)相比明顯降低(P均0.05)。(4)KD急性期血清VEGF/ES(6.89±1.02×10~(-3))與KD恢復期(3.95±0.76×10~(-3))、發(fā)熱對照組(1.64±0.20×10~(-3))和空白對照組(1.26±0.18×10~(-3))相比明顯升高(P均0.01);KD恢復期VEGF/ES(3.95±0.76×10~(-3))與發(fā)熱對照組(1.64±0.20×10~(-3))和空白對照組(1.26±0.18×10~(-3))相比明顯升高(P均0.01)。(5)發(fā)熱對照組血清VEGF(306.43±67.92)、ES(188.17±5.25)、VEGF/ES(1.64±0.20×10~(-3))與空白對照組相比VEGF(244.65±69.10)、ES(195.30±5.84)、VEGF/ES(1.26±0.18×10~(-3)),無明顯統(tǒng)計學意義(P均0.05)。(6)川崎病CAL組血清VEGF (1260.23±82.65)、 VEGF/ES(6.91±0.88×10~(-3))和NCAL組血清VEGF(976.54±76.30)、VEGF/ES(4.12±0.65×10~(-3))相比較明顯增高(P均0.01);川崎病CAL組血清ES水平(168.42±8.40)和NCAL組(188.54±7.85)相比較明顯降低,差異有統(tǒng)計學意義(P0.01)。 2.VEGF與ES的相關性分析 KD急性期血清VEGF與ES呈顯著性負相關(r=-0.642,P0.01);KD恢復期血清VEGF與ES呈顯著性負相關(r=-0.806,P0.01)。 3. HSP60、HSP70 (1)KD急性期血清HSP60水平(4557.30±432.71)與KD恢復期(3987.43±378.95)、發(fā)熱對照組(3894.50±564.33)、空白對照組(3871.23±489.40)相比較明顯增高(P均0.01)。(2)KD急性期血清HSP70水平(4633.28±679.33)較KD恢復期(4027.14±595.25)、發(fā)熱對照組(3410.15±674.10)、空白對照組(3396.50±639.23)明顯增高(P均0.01)。(3)KD恢復期血清HSP60(3987.43±378.95)與發(fā)熱對照組(3894.50±564.33)、空白對照組(3871.23±489.40)相比較,差異無明顯統(tǒng)計學意義(P均0.05)。(4)KD恢復期血清HSP70(4027.14±595.25)與發(fā)熱對照組(3410.15±674.10)、空白對照組(3396.50±639.23)相比較明顯增高,差異有統(tǒng)計學意義(P均0.01)。(5)發(fā)熱對照組HSP60(3894.50±564.33)、HSP70(3410.15±674.10)和空白對照組HSP60(3871.23±489.40)、HSP70(3396.50±639.23)相比較,無明顯統(tǒng)計學意義(P均0.05)(。6)KD患兒CAL組血清HSP60(4779.34±564.31)較NCAL組(3874.27±478.37)明顯增高,差異有統(tǒng)計學意義(P0.01);KD患兒CAL組血清HSP70(3569.37±603.34)較NCAL組(4899.40±637.21)明顯降低,差異有統(tǒng)計學意義(P0.05)。 結論:1.在KD急性期中血清VEGF、VEGF/ES明顯升高,而恢復期二者雖有所下降,但仍處于一個相對高的水平;而急性期血清ES水平明顯降低,在恢復期血清ES水平仍處于一個低水平。川崎病CAL組血清VEGF、VEGF/ES較NCAL組相比均明顯增高;川崎病CAL組血清ES水平較NCAL組相比明顯降低。提示VEGF、ES不僅參與了KD早期血管炎癥過程,而且高水平的VEGF、VEGF/ES可能參與了KD中持久的冠脈損傷。 VEGF、VEGF/ES可作為川崎病冠脈損害的危險因素之一,在KD血管壁的損傷與冠脈瘤的形成中起重要作用,而ES在病程中起到抑制血管炎性反應的作用。 2.血清VEGF與ES在KD急性期、恢復期均呈顯著性負相關(r=-0.642,P0.01;r=-0.806,P0.01)。提示ES在KD病程能夠在一定程度上抑制VEGF的作用,起到抑制冠脈損害的功能;VEGF與ES之間的平衡參與了KD血管壁的重構。 3. KD急性期患兒血清HSP60、HSP70水平明顯增高,而恢復期血清HSP60顯著下降,HSP70仍維持在一個高水平。KD患兒CAL組血清HSP60水平顯著較NCAL組高,而CAL組血清HSP70水平顯著較NCAL組低,提示在冠脈損害發(fā)生情況中,HSP60是作為一個危險因素存在,可能與“抗原模擬宿主學說”有關;熱休克蛋白70在冠脈損害過程中,可能起保護作用,抑制血管炎性反應的發(fā)生。急性期高水平的HSP60、HSP70提示二者在KD急性期中均積極的參與了血管炎性反應,HSP60促進血管炎性反應,而HSP70起了抑制作用;恢復期HSP70仍維持在一個高水平,提示HSP70對血管炎性反應的抑制可以持續(xù)到病程的恢復期。
[Abstract]:Objective : To investigate the expression level of vascular endothelial growth factor ( VEGF ) , endothelin ( ES ) , heat shock protein 60 ( HSP60 ) and heat shock protein 70 ( HSP70 ) in children with KD .

Methods : 1 . Specimens were collected : ( 1 ) study group : 25 patients with KD , 10 patients with coronary lesion group ( CAL ) and 15 normal controls ( NCAL ) .

2 . Target detection : The expression levels of VEGF , ES , HSP60 and HSP70 were determined by ELISA .

3 . Statistical treatment : SPSS 17.0 was used to analyze the statistical analysis . The data was expressed by mean addition and subtraction standard deviation ( X + S ) . One - way ANOVA of variance ( ANOVA ) was used to compare the two comparisons .
The correlation analysis of VEGF and ES showed that the level of VEGF and ES was 0.05 ( bilateral ) and P 0.05 was statistically significant .

Results : 1 . VEGF , ES , VEGF / ES

( 1 ) The serum VEGF ( 1123 . 82 鹵 80.31 ) levels in KD acute phase were significantly higher than those in KD recovery period ( 586.65 鹵 78.38 ) , fever group ( 306.43 鹵 67.92 ) and blank control group ( 244.65 鹵 69.10 ) ( P < 0.01 ) .
The serum levels of VEGF ( 586.65 鹵 78.38 ) in KD recovery period were significantly higher than that in the control group ( 306.43 鹵 67.92 ) and the control group ( 244.65 鹵 69.10 ) ( P < 0.01 ) .
Compared with the blank control group ( 195.30 鹵 5.84 ) , there was a significant decrease ( P0.01 ) .
( 4 ) The serum VEGF / ES ( 6.89 鹵 1.02 脳 10 ~ ( -3 )) and KD recovery period ( 3.95 鹵 0.76 脳 10 ~ ( -3 )) and the control group ( 1.26 鹵 0.18 脳 10 ~ ( -3 )) were significantly higher than those in the control group ( 1.64 鹵 0.20 脳 10 ~ ( -3 )) and the control group ( 1.26 鹵 0.18 脳 10 ~ ( -3 )) ( P < 0.01 ) .
VEGF / ES ( 3.95 鹵 0.76 脳 10 ~ ( -3 )) in KD recovery period was significantly higher than that in control group ( 1.64 鹵 0.20 脳 10 ~ ( -3 )) and blank control group ( 1.26 鹵 0.18 脳 10 ~ ( -3 )) . The serum VEGF ( 126.23 鹵 82.65 ) , VEGF / ES ( 6.91 鹵 0.88 脳 10 ~ ( -3 )) , VEGF / ES ( 6.91 鹵 0.88 脳 10 ~ ( -3 )) and VEGF / ES ( 4.12 鹵 0.65 脳 10 ~ ( -3 )) were significantly higher than those in control group ( P < 0.01 ) .
The serum ES level ( 168.42 鹵 8.40 ) and the NCAL group ( 188.54 鹵 7.85 ) decreased significantly in the CAL group of Kawasaki disease ( P0.01 ) .

2 . Correlation between VEGF and ES

There was a negative correlation between serum VEGF and ES in KD acute phase ( r = - 0.642 , P0.01 ) .
There was a significant negative correlation between serum VEGF and ES in KD recovery period ( r = - 0.806 , P0.01 ) .

3. HSP60,HSP70


( 3 ) The serum HSP60 ( 3987.43 鹵 375.25 ) and the control group ( 3871.23 鹵 489.40 ) and the control group ( 3871.23 鹵 489.40 ) were significantly higher than those in the control group ( 3894.50 鹵 564.33 ) and the control group ( 3871.23 鹵 489.40 ) . The serum HSP60 ( 4779.34 鹵 564.31 ) in the KD recovery period was significantly higher than that in the control group ( 3874.27 鹵 474.31 ) .
Compared with the NCAL group ( 4899.40 鹵 637.21 ) , the serum HSP70 ( 3569.37 鹵 603.34 ) decreased significantly in the CAL group ( P0.05 ) .

Conclusion : 1 . Serum VEGF and VEGF / ES increased significantly in the acute phase of KD , while the recovery period decreased , but remained at a relatively high level .
The serum ES level in the acute phase was significantly lower than that in NCAL group , but the serum ES level was still at a low level during the recovery period .
The levels of serum ES in patients with Kawasaki disease were significantly lower than those in NCAL group , suggesting that VEGF and ES were not only involved in the early stage of vascular inflammation in KD , but VEGF and VEGF / ES might participate in the long - lasting coronary artery injury in KD . Vascular endothelial growth factor ( VEGF ) and VEGF / ES play an important role in the pathogenesis of Kawasaki disease .

2 . There was a significant negative correlation between serum VEGF and ES in KD acute stage and recovery period ( r = - 0.642 , P0.01 ) .
r=-0.806,P0.01). It is suggested that ES can inhibit VEGF to some extent in KD course , and play a role in inhibiting coronary lesion ;
The equilibrium between VEGF and ES is involved in the reconstruction of the KD vessel wall .

The levels of HSP60 and HSP70 in serum HSP60 and HSP70 in children with KD were significantly higher than those in NCAL group , but the level of HSP70 in CAL group was significantly lower than that in NCAL group .
HSP70 was maintained at a high level during the recovery period , suggesting that the inhibition of HSP70 on vascular inflammatory response can persist to the recovery period of the course .
【學位授予單位】:瀘州醫(yī)學院
【學位級別】:碩士
【學位授予年份】:2012
【分類號】:R725.4

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